cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A069636 a(1) = 9; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).

Table of values

n a(n)
1 9
2 97
3 197
4 1973
5 31973
6 319733
7 3319733
8 331973303
9 5331973303
10 533197330313
11 9533197330313
12 953319733031321
13 3953319733031321
14 395331973303132171
15 12395331973303132171
16 1239533197330313217121
17 391239533197330313217121

List of values

[9, 97, 197, 1973, 31973, 319733, 3319733, 331973303, 5331973303, 533197330313, 9533197330313, 953319733031321, 3953319733031321, 395331973303132171, 12395331973303132171, 1239533197330313217121, 391239533197330313217121]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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